james-willis commented on code in PR #3114:
URL: https://github.com/apache/sedona/pull/3114#discussion_r3633597952
##########
common/src/main/java/org/apache/sedona/common/raster/Rasterization.java:
##########
@@ -85,6 +99,23 @@ protected static List<Object> rasterize(
return objects;
}
+ /**
+ * Fills every pixel of the freshly-allocated raster with the background
value, so pixels never
+ * covered by the geometry read back as that value instead of the allocation
default of 0. A null
+ * or zero background keeps the zero-initialized allocation as-is.
+ */
+ private static void fillBackground(WritableRaster writableRaster, Double
backgroundValue) {
+ if (backgroundValue == null || backgroundValue == 0) {
+ return;
+ }
+ int width = writableRaster.getWidth();
+ double[] row = new double[width];
+ Arrays.fill(row, backgroundValue);
Review Comment:
done
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